{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"167cb64c7e36","name":"VALVE SPRING SET XR650R, KIBBLEWHITE 30-30161","sku":"65-417","brand":"Kibblewhite","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":170.46,"formatted":"£170.46"},"summary":"Kibblewhite 30-30161 Lightweight Racing Valve Spring Kit. This kit is designed as a complete system, with each component engineered to work together. KPMI engineers utilize proprietary design and simulation software, along with over 70 years of design experience. Compatibility is ensured between the valve spring's force and natural frequency, cam profile, valvetrain mass, system harmonics, and engine RPM. The Super-Clean Chrome Silicon valve spring wire is sourced from U.S. based, ISO certified manufacturing partners, traceable back to Kobe, Japan. Manufacturing processes include heat treatment, stress relief, and shot peening. Stem Diameter: 5.00mm / 0.1957 inches. Tulip: 20 degrees. Overall Length (OL): 84.15mm / 3.310 inches. Item #: 30-30161.","attributes":[{"label":"General Product Group","value":"Cam & Valvetrain"},{"label":"General Product Type","value":"Valve Spring"},{"label":"Variant Id","value":"263738"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-417/79759efca05ccb3b.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-417/79759efca05ccb3b.jpg"],"description":"Kibblewhite 30-30161 Lightweight Racing Valve Spring Kit. This kit is designed as a complete system, with each component engineered to work together. KPMI engineers utilize proprietary design and simulation software, along with over 70 years of design experience. Compatibility is ensured between the valve spring's force and natural frequency, cam profile, valvetrain mass, system harmonics, and engine RPM. The Super-Clean Chrome Silicon valve spring wire is sourced from U.S. based, ISO certified manufacturing partners, traceable back to Kobe, Japan. Manufacturing processes include heat treatment, stress relief, and shot peening. Stem Diameter: 5.00mm / 0.1957 inches. Tulip: 20 degrees. Overall Length (OL): 84.15mm / 3.310 inches. Item #: 30-30161.","descriptionMarkdown":"**Kibblewhite Lightweight Racing Valve Spring Kit**\n\nEngineered for high-performance applications, this valve spring kit from Kibblewhite is designed to optimize your engine's valvetrain for racing and demanding use. Kibblewhite employs a systematic approach, ensuring each component works harmoniously with the others as a complete system.\n\nUtilizing proprietary design and simulation software, combined with over 70 years of design expertise, Kibblewhite engineers create valve spring systems that precisely match the cam profile, valvetrain mass, engine harmonics, and RPM range. This meticulous engineering ensures optimal compatibility and reliability.\n\n### Key Features:\n\n \n- Lightweight racing design for reduced valvetrain stress.\n \n- Manufactured using Super-Clean Chrome Silicon valve spring wire, sourced from leading U.S. manufacturers.\n \n- High-quality manufacturing processes including heat treatment, stress relief, and shot peening.\n \n- Precisely matched spring force and natural frequency for enhanced performance.\n \n- Stem Diameter: 5.00mm / 0.1957 inches.\n \n- Tulip Angle: 20 degrees.\n \n- Overall Length (OL): 84.15mm / 3.310 inches.\n \n- Recommended for use with Black Diamond VALVES (use part no 65-707).","weightGrams":null,"fitments":[{"make":"HONDA","model":"XR 650R","cc":null,"notes":null,"years":"2000–2007"}],"collections":[{"name":"Cam & Valvetrain","url":"https://www.2brosparts.com/api/agent/collection/GB/cam-valvetrain"},{"name":"Valve Spring","url":"https://www.2brosparts.com/api/agent/collection/GB/valve-spring"}],"links":{"page":"https://www.2brosparts.com/products/valve-spring-set-xr650r-kibblewhite-30-30161","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/167cb64c7e36:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/167cb64c7e36:1"}},"market":{"country":"GB","countryName":"United Kingdom","locale":"en-gb","currency":"GBP","exchangeRateFromGbp":1,"pricesIncludeUkVat":true,"checkoutTax":null,"delivery":[{"name":"Standard","description":"Orders £15.00–£59.99 · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":4.99,"formatted":"£4.99"},"free":false,"minimumOrder":{"amount":0,"formatted":"£0.00","gbp":0},"weightGrams":null},{"name":"Standard","description":"Orders £60.00 and up · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":0,"formatted":"£0.00"},"free":true,"minimumOrder":{"amount":60,"formatted":"£60.00","gbp":60},"weightGrams":null}],"storeUrl":"https://www.2brosparts.com"},"navigate":{"start":"https://www.2brosparts.com/api/agent","search":"https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus}"},"howToBuy":{"summary":"Build a basket for the shopper and give them one checkout link. Every URL is a plain path (no query string) and a GET. Nothing is stored between calls.","checkoutLinkFormat":"https://www.2brosparts.com/api/agent/checkout/GB/{basketKey}:{quantity},{basketKey}:{quantity}","steps":["1. Find products: follow links in these responses, or fetch https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus} (e.g. https://www.2brosparts.com/api/agent/search/GB/brake+pads). Every product has a basketKey.","2. Optional check: https://www.2brosparts.com/api/agent/basket/GB/{basketKey}:{quantity},{basketKey}:{quantity} returns stock, totals per delivery option and the checkout link.","3. Give the shopper the checkout link. Opening it fills their basket with exactly these items (replacing what was there) and opens checkout for United Kingdom. They pay on 2brosparts.com through Stripe."],"noFetchNeeded":"You can write the checkout link yourself from basketKeys and quantities; nothing has to be fetched first. Each product also has links.buyOneNow, a ready link for one unit.","stateless":"Nothing is saved on our side. The items part of the URL is the whole basket: to change it, write the link again with the new list.","itemsFormat":"basketKey:quantity pairs joined by commas, e.g. 04f24aad4d68:2,7c1e9a0b3f2d:1. Quantity defaults to 1. Up to 50 products, 100 each.","country":"GB is the shopper's delivery country. Swap it for theirs (US, DE, FR…) in any URL; currency, tax and delivery follow it.","tips":["Put everything the shopper wants in one link.","Optionally add your name as a last path segment on checkout links (…/checkout/GB/<items>/claude) so the sale is credited to you.","The checkout link is for the shopper's browser. Do not open it yourself.","Signed-in trade account holders see their trade prices at checkout."]}}